In case of difficulty
What appears to be a mulfunction may not always be serious. If your unit should not perform as expected, consult the table |
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below to see if the problem can corrected before seeking help from your dealer or service representative. | 61 |
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How to reset the microcomputer
The microcomputer may malfunction (impossibility of opera- tion, erroneous display, etc.) when the power cord is unplugged and plugged in again while the unit is in ON mode with the 
key pressed or due to other external causes. In this case, execute the procedure on the right to reset the microcomputer and return the unit to the normal condition.
1Unplug the power cord from the wall outlet.
2Whileholdingthe 
(ON/STANDBY)keydepressed, plug the power cord into the wall outlet again.
÷Resetting the microcomputer clears the memory you entered and returns it to the initial condition when the unit left the factory.
Amplifier
Symptom | Cause | Remedy |
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Sound is not output or the volume level is | ÷ Connection cords are unplugged from the jacks. | ÷ Connect them properly referring to “System | |
low. |
| connection”. | 58 |
| ÷ MUTE is ON. | ÷ Press the MUTE key to OFF. | • |
| (The MUTE ON indicator is blinking) | ÷ Set the TAPE 2/MONITOR to OFF. | |
| ÷ The TAPE 2/MONITOR is set to ON. | ||
| ÷ The selected surround mode does not match | ÷ Select the surround mode according to the | |
| the input signal. | input signal. | E |
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Standby LED blinks and sound is not output. | ÷ Speaker cords are | ÷ Unplug the AC cord, remove the | |
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| ing and plug the AC cord again. | |
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Sound is not output from the surround | ÷ Thesurroundspeakercordsand/orcenterspeaker | ÷ Connect them by referring to the power | |
speaker and/or center speaker, or their | cord are disconnected. | amplifier’s instruction manual. | i |
sound is very small. | ÷ The Surround play mode has not been engaged. | ÷ Set the presence mode. | |
| ÷ The surround and center speaker levels are set to | ÷ Adjust the surround and center speaker lev- | |
| the minimum positions. | els. |
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System control is not available when MD or | ÷ “MD” or “TAPE 1” is not displayed. | ÷ Set up the GRC unit properly. | % |
TAPE 1 is selected. |
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System control is not available when DVD | ÷ “DVD” or “DVD 6ch INPUT” is not displayed. | ÷ Switch the display to show “DVD” or “DVD | |
or 6ch INPUT is selected. |
| 6ch INPUT”. | 0% |
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System control is impossible. | ÷ System control cords are connected incorrectly. | ÷ Connect them correctly by referring to “Sys- | |
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| tem connection”. | 58 |
Tuner
Symptom | Cause | Remedy |
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Radio stations cannot be received. | ÷ No antenna is connected. | ÷ Connect an antenna. | 9 |
| ÷ The broadcast band is not set properly. | ÷ Set the broadcast band properly. | ° |
| ÷ The frequency of the desired station is not | ÷ Tune the frequency of the desired station. | |
| tuned. |
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Interference. | ÷ Noise due to ignition noise of an automobile. | ÷ Install the outdoor antenna away from the | |
| ÷ Noise due to an influence from an electric | road. |
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| ÷ Turn off the power to the appliance. |
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| appliance. |
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| ÷ Noise due to a nearby TV set. | ÷ Install the system farther away from the TV | |
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| set. |
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A station which was preset cannot be re- | ÷ The preset memory was cleared because the | ÷ Preset the stations by auto memory again. | |
ceived by pressing the corresponding nu- | power cord had been unplugged for a long |
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meric key. | period of time. |
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| ÷ The TUNER input is not selected. | ÷ Select the TUNER input. |
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